GB859884A - Improvements in or relating to electrolytic capacitors - Google Patents

Improvements in or relating to electrolytic capacitors

Info

Publication number
GB859884A
GB859884A GB3042958A GB3042958A GB859884A GB 859884 A GB859884 A GB 859884A GB 3042958 A GB3042958 A GB 3042958A GB 3042958 A GB3042958 A GB 3042958A GB 859884 A GB859884 A GB 859884A
Authority
GB
United Kingdom
Prior art keywords
films
perforations
foils
electrolyte
alternatively
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3042958A
Inventor
Alan William Stirling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB3042958A priority Critical patent/GB859884A/en
Publication of GB859884A publication Critical patent/GB859884A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004—Details
    • H01G9/02—Diaphragms; Separators

Abstract

859,884. Electrolytic capacitors. STANDARD TELEPHONES & CABLES Ltd. Sept. 23, 1958, No. 30429/58. Class 37 An electrolytic capacitor comprises anode and cathode metal foils 1, 2 separated by a separate, porous, non-fibrous film of an organic synthetic resin impregnated with an electrolyte. Tantalum foils are interleaved with films 3, 4 of polyethylene terephthalate, and rolled up, the anode foil bearing an oxide coating constituting the dielectric. Perforations are provided in the films 3, 4 by pricking to produce burrs, Fig. 2 (not shown), which space the electrode foils from the films. Alternatively the perforations may be produced without burrs, the films being crimped to space the electrodes therefrom, Fig. 3 (not shown). An ammonium tetraborate electrolyte is used; the electrodes may alternatively be of aluminium; and other suitable synthetic resins are disclosed. Two superposed separator films may be used, the respective perforations being arranged to partially overlap.
GB3042958A 1958-09-23 1958-09-23 Improvements in or relating to electrolytic capacitors Expired GB859884A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3042958A GB859884A (en) 1958-09-23 1958-09-23 Improvements in or relating to electrolytic capacitors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3042958A GB859884A (en) 1958-09-23 1958-09-23 Improvements in or relating to electrolytic capacitors

Publications (1)

Publication Number Publication Date
GB859884A true GB859884A (en) 1961-01-25

Family

ID=10307548

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3042958A Expired GB859884A (en) 1958-09-23 1958-09-23 Improvements in or relating to electrolytic capacitors

Country Status (1)

Country Link
GB (1) GB859884A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2538943A2 (en) * 1982-12-30 1984-07-06 Sic Safco Condensateurs NOVEL COMPOSITE SEPARATOR FOR ELECTROLYTIC CAPACITORS AND ELECTROLYTIC CAPACITOR COMPRISING SUCH A SEPARATOR
US4598335A (en) * 1984-01-24 1986-07-01 Siemens Aktiengesellschaft Impregnated wound capacitor
FR2749706A1 (en) * 1996-06-11 1997-12-12 Samsung Display Devices Co Ltd ROLLING ELECTRODE ASSEMBLY
US5888667A (en) * 1996-06-19 1999-03-30 Samsung Display Devices Co., Ltd. Separator for jelly-roll type electrode

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2538943A2 (en) * 1982-12-30 1984-07-06 Sic Safco Condensateurs NOVEL COMPOSITE SEPARATOR FOR ELECTROLYTIC CAPACITORS AND ELECTROLYTIC CAPACITOR COMPRISING SUCH A SEPARATOR
EP0113298A1 (en) * 1982-12-30 1984-07-11 Les Condensateurs Sic Safco Composite spacer for electrolytic capacitors, and electrolytic capacitor having such a spacer
WO1984002801A1 (en) * 1982-12-30 1984-07-19 Safco Condensateurs New composite separator for electrolytic capacitors and electrolytic capacitor comprising such a separator
US4598335A (en) * 1984-01-24 1986-07-01 Siemens Aktiengesellschaft Impregnated wound capacitor
FR2749706A1 (en) * 1996-06-11 1997-12-12 Samsung Display Devices Co Ltd ROLLING ELECTRODE ASSEMBLY
GB2314200A (en) * 1996-06-11 1997-12-17 Samsung Display Devices Co Ltd A group of winding electrodes
GB2314200B (en) * 1996-06-11 1999-06-16 Samsung Display Devices Co Ltd A group of winding electrodes
US5932370A (en) * 1996-06-11 1999-08-03 Samsung Display Devices Co., Ltd. Group of winding electrodes
US5888667A (en) * 1996-06-19 1999-03-30 Samsung Display Devices Co., Ltd. Separator for jelly-roll type electrode

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